<!DOCTYPE html>
<html>

<head>
</head>

<body>
  <br>
  <button onclick='openGithub()'>在主页上讨论</button><br><br>

  <script>
    openGithub=()=>{
      open("www.hiyees.com")
    }
    

    }
    
  </script>

</body>

</html>